Portal with RTX will be available on December 8, bringing full ray tracing and DLSS 3 to the game. Check out Nvidia's official 4K Nvidia DLSS 3 comparison video to see what to expect.

Portal with RTX is a free DLC for all Portal owners developed by NVIDIA Lightspeed Studios. Experience the critically acclaimed and award-winning Portal reimagined with ray tracing. Every frame of gameplay is upgraded with full ray tracing, new, hand-crafted hi-res physically based textures, and new, enhanced high-poly models evocative of the originals, all in stunning 4K.